silica steel oriented and non oriented
mumetal expensive and pain in the ass its restricted
At 25/03/2013 04:00 PM, you wrote:
I was looking at a large transformer i was scrapping out the other
day and I got curious as to what would be the best material for
electromagnetic cores and am not finding much on the net. This
transformer for instance has the typical stacked laminations that
appear to be thin sheet steel (don't really know the actual alloy or
material). Now I always thought that soft iron would be the best for
a core. And then I was wondering if sintered iron in thin sheet form
would be a better choice. I got to looking for sintered iron sheet
stock (say .030") on the net and soft magnetic iron sheet stock of
the same thickness (thought it would be interesting to experiment
with both) and am just not finding a source. Have to believe this is
something that is already made as a stock standard material for some
industry, just not finding it. I have looked at Pacific Sintered
Metals and at GNK and see that they both offer "soft magnetic"
sintered metal products but I have
yet to hear from them if they manufacture stock sheet material or
were to get a small quantity for testing.
So the question to my learned friends here are : 1. Would sintered
iron be better than sheet iron for an electromagnetic core and 2.
Anyone have a source recommendation for sample quantities of thin
sheets of either or both?
Thanks Dach.
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